The network is said to be finalizing deals with the latter two, who joined The Voice this spring when Aguilera and Green took a break to focus on other projects. Green is reportedly close to signing a deal to return for the fifth season this fall. Aguilera has already signed on.

The Voice's two other original coaches, Adam Levine and Blake Shelton, are reportedly still in negotiations for this season, but they are expected to return.

NBC did not immediately return TVGuide.com's request for comment.

Are you glad Usher and Shakira will be back in 2014? What if your favorite Voice combination? Weigh in below!